Gree Versati II Series User Manual

55
Air to Water Heat Pump
Service Manual- Versati II Series
INSTALLATION
2.3.6 Connecting with External Electric
GRS-CQ12Pd/NaB-K, GRS-CQ14Pd/NaB-K, GRS-CQ16Pd/NaB-K:
N(2)
1NL
CN10
External Power Supply
(230V 50Hz
AC)
L
N
N
L
Water Tank
Water Tank
Temp Sensor 1
Water Tank
Temp Sensor 2
2
2
2019181716151413121110987654321
CN11
CN12
CN13
CN14
CN15
2.3.7 2-Way Valve
2-way valve is required to control water ow while cooling operation. Role of 2-way valve is to cut off water
ow into under oor loop in cooling mode when fan coil unit is equipped for cooling operation.
General Information
Type Power Operating Mode Supported
NO 2-wire 230V 50Hz ~AC
Closing water ow Yes
Opening water ow Ye s
NC 2-wire 230V 50Hz ~AC
Closing water ow Yes
Opening water ow Ye s
(1) Normal Open type. When electric power is NOT supplied, the valve is open. (When electric power is
supplied, the valve is closed.)
(2) Normal Closed type. When electric power is NOT supplied, the valve is closed. (When electric power is
supplied, the valve is open.)
How to Wire 2-Way Valve:
Follow below procedures Step 1 ~ Step 2.
Step 1. Uncover front cover of the indoor unit and open the control box.
Step 2. Find terminal block and connect wire as below.

Gree Versati II Series Specifications

General

Brand	Gree
Model	Versati II Series
Category	Heat Pump
Language	English