Honeywell Home T4 Pro Series - 2 Transformer System, Hot Water Heat with Air-Conditioning; Hot Water Boiler, Heat Only; Hot Water Heat with Power Open Zone Valve; Hot Water Heat with Power Open; Power Closed, Series 20 Zone Valve

5
M38994
S
S
Y
Y2
G
C
U
U
A
W2
W
K
Rc
R
L/A
E
AUX
BOILER
O/B
RW
Y
G
C
R
1
COMMON OPTIONAL.
1
AIR HANDLER
COMPATIBLE MODELS:
TH4110U2005
TH4210U2002
R/Rc SWITCH
DOWN
M38995
S
S
Y
Y2
G
C
U
U
A
W2
W
K
Rc
R
L/A
E
AUX
BOILER
O/B
R (T)W (T)
COMPATIBLE MODELS:
TH4110U2005
TH4210U2002
R/Rc SWITCH
UP
M38996
S
S
Y
Y2
G
C
U
U
A
W2
W
K
Rc
R
L/A
E
AUX
BOILER
R/Rc SWITCH
UP
O/B
R (T)
W (T)
COMPATIBLE MODELS:
TH4110U2005
TH4210U2002
1
COMMON OPTIONAL TO THERMOSTAT.
C
V8043
ZONE VALVES
1
TH
TR
TRANSFORME
R
R
24 VOLTS
END SWITCH
M38997
S
S
Y
Y2
G
C
U
U
A
W2
W
K
Rc
R
L/A
E
AUX
R/Rc SWITCH
UP
O/B
COMPATIBLE MODELS:
TH4110U2005
TH4210U2002
1
COMMON OPTIONAL TO THERMOSTAT.
THERMOSTAT MUST BE CONFIGURED FOR RADIANT HEAT
WITH 0 COOL STAGES.
C
POWER OPEN/
POWER CLOSED
ZONE VALVE
1
5
TRANSFORMER
R
2
L2
L1
120 VOLT
SUPPLY
2
6
3
4
1
TO AUXILIARY
CIRCUIT FOR
OPERATING BOILER.
(SEE VALVE
INSTUCTIONS)
2
2 Transformer System, Hot Water Heat
with AirConditioning (or Hot Water
Coil)
Hot Water Boiler, Heat Only
Hot Water Heat with Power Open Zone
Valve
Hot Water Heat with Power Open/
Power Closed, Series 20 Zone Valve