A.O. Smith SGS - 100, Инструкция по установке, эксплуатации и обслуживанию

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Installation
42 Instruction manual SGS
3
is
3. If you have no more connections to make:
- Fit the cover on the terminal block.
- Fit the covers onto the water heater.
3.11.8 Connecting communication cable to solar heating system
You must connect a communication cable between the controllers of the
water heater and the solar heating system.
1. Connect the cables (X
5
and X
6
) to terminals 23 and 24 as shown in the
table (3.11.2 "Preparation").
2. Fit the cable in the strain relief.
3. If you have no more connections to make:
- Fit the cover on the terminal block.
- Fit the covers onto the water heater.
3.12 Electrical
connection of the
solar heating system
This section covers the following topics:
•
Preparation
• Connecting the mains power
• Connecting pump station - modulating pump
• Connecting solar collector
• Connecting tank sensor
• Connecting top tank sensor
• Connecting communication cable
Optionally you can connect an extra head pump and Q/T sensor:
•
Connecting extra head pump
• Connecting Q/T sensor
3.12.1 Preparation
See Eratta.
has the following terminals:
Power n.a. Pump ON/OFF Modulating pump n.a.
L N - - - L
1
N M
1
M
2
M
3
- - - - - - -
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4
n.a. n.a. n.a. n.a.
Power 5 V
n.a. n.a.
Sensor S4
Flow si
gnal
Sensor S1 Sensor S2
J3 J12 J13 J14
Semsor S1
Sensor S2
Sensor S3 Sensor S3