Model
SMS-60R
SMS-80R
SMS-100
SMS-125
SMS-145
Watts
6,000
8,000
10,000
12,600
14,800
Amps
25.0
33.3
41.7
52.5
61.7
Voltage
240
240
240
240
240
Phase
1
1
1
1
1
Breaker to Load Center
1@70A - #4 AWG copper 90°C
1@70A - #4 AWG copper 90°C
1@80A - #3 AWG copper 90°C
Load Center to Power Unit
2@35A - #8 AWG copper 90°C
2@35A - #8 AWG copper 90°C
2@40A - #8 AWG copper 90°C
Power Unit to Heater
#8 AWG copper 90°C
#8 AWG copper 90°C
#8 AWG copper 90°C
®
Table 2 - Wire and Fuse sizes (S170-1)
Power Unit to Heater
#8 AWG copper 90°C
#8 AWG copper 90°C
Breaker to Power Unit
1@35A - #8 AWG copper 90°C
1@45A - #6 AWG copper 90°C
Note: neutral wire required
06/11
Pub. No. 572-C
- 5 -
Instructions for Installation and Use
Figure 6 - Electrical Connections (S170-1)
Floor mounted heater, max. 15 kW
Blue
Yellow
White
Red
Control panel
G7Z
Power supply/
240V / 1PH
max. 9 kW
Power supply/
240V / 1PH
max. 15 kW
Must be installed
N
L1
L2
L1
L2
N
L1
L2
L1
L2
N
L1
L2
N
L
N
L
Lighting (optional)
120V / 1PH
max. 100 W
120V / 1PH
max. 100 W
Fan (optional)
Slow type
Fuse for
electronic card
Ceramic Slow Type
Fuse for
relay outputs
40 mA
T2.5 Ah
A1
A2
L1
L2
L1
L2
L1 L2
U1 U2 A1 A2
N
N
A1
A2
L1
L2
L1
L2
GND
A1
A2
L1
L2
GND
GND
GND
GND
GND
Factory wiring
Installation wiring
Main switch
Wall mounted heater, max. 9 kW
GND
Low voltage wiring only
(data and sensor cable)
Temperature Sensor
Data Cable
S170-1 (240V / 1PH power unit)
Instructions for Installation
The power unit of the S170-1 is controlled by the digital control.
●
Control panel is connected to power unit via data cable.
●
Only one control panel can be connected to the power unit.
Temperature Sensor:
●
Temperature Sensor is needed to operate S170-1. See section
3.3 for correct temperature sensor placement.
Two relay outputs (120V / 1PH)
●
For driving a fan (max. 100W) and lighting (max. 100W).
Fuses on the electronics card (if a fuse has blown, see section
3.2.2):
●
40mA fuse for electronic unit.
●
Two 2.5 Ah fuses for relay outputs U1, U2, A1, A2.
Technical Specifications:
●
Max. heater power rating: 15kW
●
Max. length of data cable: 25 m
Cutler-Hammer model CH4L125FP or
equivalant load center shall be supplied
by the electrical contractor for all floor
mounted heaters.
Minimum 18awg, copper
, 90ºC
wire for
A1 and
A2 wires
