Patterson-Kelley MACH-05 ユーザーズマニュアル

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  MACH®  Series
 
Gas-Fired Boiler 
Installation 
 
 
Page  20 
3.12
  
I
NITIAL 
A
DJUSTMENTS
 
 
3.12.1  Operating Temperature Controller 
 
The MACH boiler is equipped with a combination 
combustion and temperature control.  This control 
monitors combustion and lighting of the boiler, as well 
as maintaining temperature of the supply water.  The 
temperature control portion modulates the boiler to 
maintain the desired outlet temperature based on the 
selected operating configuration. 
 
CAUTION!  
The user should become thoroughly familiar with 
the operation of the boiler and controls before 
attempting to make any adjustments. 
 
3.12.1.1  Operation of the Control 
The boiler is operated through the control/display 
panel.  The display has 3 modes of standard operating 
menus.  The modes are: 
 
•  Standby mode will display (Stby
•  Parameter mode will display (PArA
•  Information mode will display (InFo
 
At each level the keys and the display have different 
functions.  To ascertain which mode you are in, the 
displayed information will be shown as indicated 
under “display”.  
 
Mode Description  Display Example 
Standby 
(
Stby)
 
Normal display 
mode 
1st digit 
without a dot 
0 180 
Parameter 
(
PArA
Parameter 
settings 
1st digit with 
a dot 
1.125 
Information 
(
InFo
display boiler 
sensors 
1st digit with a 
blinking dot* 
1.180* 
 
 
Standby Mode: 
The display defaults to this mode at startup or reset of 
the control.  If no key is pressed for 20 minutes the 
display will return to this mode.  The function of the 
keys may be two-fold as shown below.  
 
Key(S) Duration 
Function 
Mode 
momentary 
Change to next mode 
Reset 
momentary 
Reset the control 
Plus momentary 
Show the comfort heat 
setpoint, or max setpoint 
(outdoor reset only) 
Plus  
long* 
Turn the comfort heat system 
on or off 
Minus momentary 
Show the domestic hot water 
setpoint 
Minus long* 
Turn the domestic hot water 
system on or off 
 
 
*Note:  Long duration is greater than 2 seconds. 
When in the Standby Mode the control indicates 
boiler status with the first digit of the display.  The 
remaining digits indicate the boiler's actual 
temperature or lockout code.  The following table 
indicates the meaning of the display digits when in 
the standby level. 
 
First Digit 
Boiler Status 
Burner off - No call for heat 
Pre purge or post purge 
2 Ignition 
Burner on in Comfort Heat mode 
Burner on in Domestic Hot Water mode 
Checking the airflow switch 
Burner off - An internal setpoint has been 
reached.  System is still calling for heat. 
Burner off - Comfort Heat pump running on