Mitsubishi Electronics PAC-YT34STA User Manual

 

 

2 

 
1. Safety 

Precautions ··················································································································· 2 

2.  Names and functions of each part ···························································································· 4 

2-1. Appearance·················································································································································4 
2-2. Display sections ··········································································································································5 
2-3. Operation section········································································································································6 
2-4. Screen configuration ···································································································································7

 

3.  Outline of schedule setting and operation················································································· 8 

3-1.  Outline of setting ·········································································································································8 
3-2. Schedule operation ·····································································································································9

 

4. Operation 

methods················································································································· 10 

4-1.  Normal screen (COLLECTIVE/GROUP STATUS DISPLAY SCREEN)···················································10 

4-1-1. Group 

selection 

operation ···············································································································10 

4-1-2. ON/OFF 

operations ························································································································· 11 

4-1-3.  Stopping the schedule operation collectively for all groups ···························································· 11 

4-1-4. Display ············································································································································· 11 

4-2. PROGRAM MONITOR screen ················································································································· 11 
4-3. TIME/DAY SETTING screen ····················································································································12 
4-4.  PROGRAM SETTING screen···················································································································12 

4-4-1. Setting 

the 

program ·························································································································13 

4-4-2.  Setting the operation details ············································································································13 

4-4-3.  Deleting an operation setting···········································································································14 

4-4-4.  Copying the details of a pattern setting ···························································································14 

4-5.  WEEKLY PROGRAM SETTING screen···································································································14 

4-5-1. Setting 

the 

operation pattern ···········································································································15 

5. Troubleshooting······················································································································ 16 

5-1.  When "COLLECTIVE ON/OFF LAMP" and "ERROR CODE" are flickering············································16 
5-2.  When only the "Error Code" is flickering···································································································16 

6. External 

input 

and 

output functions························································································· 17 

6-1. External input ············································································································································17 

6-1-1.  Emergency stop input mode············································································································17 

6-1-2.  ON/OFF level signal input mode ·····································································································17 

6-1-3.  ON/OFF, operation prohibit/permit pulse input mode······································································18 

6-2. External output··········································································································································18 

7. Initial 

settings ························································································································· 19 

7-1.  When this controller is master system······································································································19 

7-1-1. Setting 

the 

group ·····························································································································21 

7-1-2.  Setting the interlocked units ············································································································24 

7-1-3. Collective 

deletion····························································································································28 

8.  Setting the functions··············································································································· 28 

8-1.  Using with master system controller·········································································································28 
8-2.  Using the external input/output function ···································································································29 
8-3.  Disabling the local remote control's operations from this controller ·························································29 
8-4.  When local remote controller and system controller are prohibited ·························································29 
8-5.  Changing set temperature display to "Fahrenheit display" ······································································29 

9. System 

limits ·························································································································· 30 

10. Specifications ························································································································· 31 

10-1. Product functions······································································································································31 
10-2. Main specifications ···································································································································32 
 

 Always read these "Safety Precautions" before starting, and perform the installation work 

correctly. 

 The dangers and degree that could occur if handling is mistaken are ranked with the following 

symbols. 

WARNING When fatalities or serious injuries could result if handling is mistaken. 
CAUTION  When personal injury, or damage to house or assets could result if handling is mistaken. 

 After reading this manual store it in a safe place together with the installation manual for future 

reference. 

  When changing users, always give this manual and the installation manual to the new user.