Honeywell International Inc. 8DL5800TSTAT Manuale Utente

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69- 1534- 1

The W8665A,E RF Receiver Module (RM) provides 
24 Vac control of HVAC equipment when used with a 
T8665A Chronotherm® IV Wireless Programmable 

Thermostat. The W8665A can be used with 1H/1C 
single-zone conventional applications. The W8665E can 
be used with up to three zones when used with a 
Honeywell EMM-3 Electronic MiniZone© Panel or TZ-3 
TotalZone™ Panel. See Table 1.

Equipment Damage Hazard.
Do not mount W8665 inside HVAC equipment.
Mount only on wall.

Mount the thermostats in each zone of the living 
space using the installation instructions provided 
with each thermostat.

Mount the dampers in the ductwork using the 
installation instructions provided with each damper.

Mount the W8665 RF Receiver Module near the 
HVAC equipment on a wall. See Fig. 1.

Level the W8665 for appearance only.

W8665A

Conventional gas, oil or 
electric systems.

1H/1C

One

Use with T8665A Wireless 
Thermostat.

W8665E

Conventional gas, oil or 
electric systems.

1H/1C

Up to three

Use with T8665A Wireless 
Thermostats.
Use with EMM-3 Electronic 
MiniZone™ Panel

Single or multi-stage 
conventional or heat 
pump systems.

1H/1C or up to 
3H/2C

Use with T8665A Wireless 
Thermostats.
Use with TZ-3 TotalZone™ Zone 
Control Panel.

M20162

WATER 

HEATER

W8665

ELE

CT

RO

NIC

 AIR

 CL

EA

NE

R

RETURN

AIR

FURNACE 

OR BOILER

HIGH

 EFFICIENCY

AIR CLEANER