Model 1H2C Digital Thermostat - Atwood 79 Series Service Manual

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ENGLISH, FRANCAIS
THIS THERMOSTAT HAS BEEN DESIGNED TO OPERATE STANDARD AIR CONDITIONING UNITS IN CONJUNCTION WITH A RV FURNACE
Display
Mode Set
Temperature Set
OFF
HEAT
COOL
FAN
System Switch
SPECIFICATIONS
Operating Voltage
..............
Current Consumption at 12VDC
Operating Temp.
....................
Room Temp. Range
................
Room Temp. Display Range
....
Thermostat Accuracy
........................
Switching Capability A/C............up to 24 VAC
THERMOSTAT INSTALLATION
Thermostat is very sensitive.
HANDLE
.
WITH CARE AT ALL TIMES
Locate thermostat 48˝ to 54˝ above
floor on an
wall. Pick a dry
INTERIOR
area where air circulation is good.
wall location must have a
EXTERIOR
3/4˝ spacer between thermostat and
exterior wall.
1. Be sure all electrical power has
been disconnected from the air
conditioner, furnace and the
power supply.
2. Do not install the thermostat
where there are unusual heating
conditions: such as direct
sunlight, heat producing
appliances (television, radio, wall
lamp, etc.) or a furnace or air
conditioner supply register.
3.
ATTACHING THE WALL THERMOSTAT
Separate the thermostat body
from the sub-base by gently
squeezing the top and bottom,
connecting wiring per
requirements. Attach thermostat
sub-base to the wall at desired
mounting location.
(et Canada)
SLIDE SWITCH
LEFT
COOL OFF
COOL OFF
M
9VDC to 18VDC
COOL OFF
100mA
......
-40F to +185F
+55F to +90F
+35F to +99F
COOL OFF
+/- 1F
(max. 2 AMPs)
12 VDC ANALOG A/C SYSTEMS (RVP
THERMOSTAT
WIRE FROM FURNACE
# (
-
)
FUNCTION
TERMINAL
L
R
1
-12vdc ground
2
not used
3 & 4
+12vdc
5
6
7
8
Furnace Control
FURNACE
8
+
3
1
.
12 VDC
SOURCE
SCROLL ORDER OF
RIGHT DISPLAYED MODES
Furnace Operation
HEAT FAN
HI
Furnace cycles to satisfy set point.
Air Conditioner Operation
HEAT FAN
Air conditioner automatically switches compressor and high and
AU
low speed fan when cycling to satisfy set point.
HI
Air conditioner compressor and high speed fan cycle to satisfy
set point.
LO
Air conditioner compressor and low speed fan cycle to satisfy
set point.
Fan Operation
HEAT FAN
HI
Air conditioner fan runs at high speed to circulate air.
LO
Air conditioner fan runs at low speed to circulate air.
Off
HEAT FAN
OF
No operation occurs.
WIRING REQUIREMENTS FOR ATWOOD THERMOSTAT
®
)
/
WIRE FROM A
C
FUNCTION
not used
Compressor
High Fan
Low Fan
4
CONNECT
TO
WITH JUMPER
GH
GL B
Y
14
FOR STANDARD FURNACES
•Installation •Operation
OPERATION
7.5 VDC ANALOG A/C SYSTEMS (DOMETIC
THERMOSTAT
WIRE FROM FURNACE
# (
-
)
FUNCTION
TERMINAL
L
R
1
-12vdc ground
2 & 4
3
+12vdc
5
6
7
8
Furnace Control
FURNACE
8
+
3
1
12 VDC
3
SOURCE
MPD 38285
hydro flame
TM
Model 1H2C
Digital Thermostat
& A / C SYSTEMS
Effective 6/19/02
.
®
)
/
WIRE FROM A
C
FUNCTION
7.5 vdc
Compressor
High Fan
Low Fan
4
2
CONNECT
TO
WITH JUMPER

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