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Electrical Strip Heater (ESH) Wiring Diagram
Module ESH
Electrical Strip Heater Installation (3/4)
Module ESH Electrical Strip Heater Installation (3/4)
N
-
NEUTRAL
l
-
LINE
vOLTAGE
a1
-
AUXILIARY
NORMALLY
OPEN
a2
-
AUXILIARY
NORMALLY
CLOSEd
a3
-
AUXILIARY
COMMON
x1
-
FREEzE
STAT
TERMINAL
x2
-
FREEzE
STAT
TERMINAL
h1
-
CONdENSING
UNIT
24
v
OUTPUT
c
-
CONdENSING
UNIT
24
vAC
COMMON
Z1
-
HEATING
MOdE
24
v
OUTPUT
c
-
HEATING
MOdE
24
v
vAC
COMMON
mINImum
factory
dIP
settINgs
black
Is
dIP
swItch
settINg
ON
1
2
3
4
5
6
7
8
ON
1
2
3
4
5
6
7
8
ON
1
2
3
4
5
6
7
8
HE-50 5-10 kW
(1 1/2 Ton Dip Setting)
ON
1
2
3
4
5
6
7
8
HE-50 5-15 kW
(2 Ton Dip Setting)
HE-70 5-15 kW
(2 1/2 Ton Dip Setting)
ON
1
2
3
4
5
6
7
8
HE-70 5-18 kW
(3 Ton Dip Setting)
HE-100 10-18 kW
(3 1/2 Ton Dip Setting)
ON
1
2
3
4
5
6
7
8
HE-100 10-20 kW
(4 Ton Dip Setting)
ON
1
2
3
4
5
6
7
8
HE-100 10-23 kW
(5 Ton Dip Setting)
HEAT PUMP NOTES:
DEPENDING ON THE REVERSING VALVE, SOME HEAT PUMP UNITS
REQUIRE ‘B’ INSTEAD OF ‘O’ CONNECTION ON BOTH THE THER-
MOSTAT AND THE OUTDOOR UNIT. CONSULT YOUR HEAT PUMP
MANUAL TO SEE IF THIS IS REQUIRED.
TIMER CIRCUIT CAN BE DISABLED WHEN USING A HEAT PUMP AND
ELECTRIC BACKUP HEAT.
cautIoN
dISCONNECT THE ELECTRIC
POWER BEFORE SERvICING
atteNtIoN
dECCONNECTER dU CIRCUIT
d’ALIMENTATION ELECTRIQUE
AvANT L’ENTRE-TIEN
1)
USE THERMOSTAT FAN SWITCH TO DISABLE/ENABLE
CONTINUOUS FAN.
2)
‘C’ TERMINAL ON THERMOSTAT (COMMON) IS NOT
NEEDED FOR SOME THERMOSTATS. CONSULT THERMOSTAT
INSTRUCTIONS FOR DETAILS.
3)
A3 (AUXILIARY RELAY COMMON) CAN BE USED WITH A1 AND/
OR A2 AS DRY CONTACTS, ARMED 24v FROM THE ‘R’ TERMINAL,
OR ARMED FROM THE ‘L’ TERMINAL.
4)
AUXILIARY RELAY TIMER ACTIVATES CIRCUIT FOR 5 MINUTES
EVERY 24 HOURS STARTING WHEN POWER IS APPLIED TO THE
UNIT. RED LIGHT IS ON WHEN AUXILIARY RELAY IS ACTIVATED.
Notes:
5)
SEE INSTALLATION MANUAL FOR MORE DETAILED WIRING
DIAGRAMS AND DIP SWITCH SETTINGS.
6)
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS
CAREFULLY BEFORE INSTALLATION COULD CAUSE PERSONAL
INJURY AND/OR PROPERTY DAMAGE.