SAVE VSR 300 500 SERVICE AND ACCESSORIESV01 1 12 0

Accessories
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• WC — water cooling battery
• SAT — supply air temperature sensor
• S — valve actuator
• 1 — Outdoor air
• 2 — Supply air
• 3 — Extract air
• 4 — Exhaust air
Component/product — Article number:
• RVAZ4 24A Actuator 0-10V (S) — 9862
• Duct sensor -30-70C (SAT) — 211524
VSR 300:
CWK 160-3-2,5 Duct cooler,circ — 30022
ZTV 15-0,4 2-way valve — 9829
ZTV 15-0,6 2-way valve — 6571
ZTR 15-0,4 valve 3-way — 9670
ZTR 15-0,6 valve 3-way — 6573
VSR 500:
CWK 200-3-2,5 Duct cooler,circ — 30023
ZTV 15-0,6 2-way valve — 6571
ZTV 15-1,0 2-way valve — 9823
ZTR 15-0,6 valve 3-way — 6573
ZTR 15-1,0 valve 3-way — 9672
Fig. 11 Duct cooler connections
Installation and connection
1. Install a duct water cooler in the duct. Connect pipes, 2/
3–way valve and actuator.
Important
Do NOT use 24V DC power output from the
connection board for valve actuator.
2. Connect actuator (S) to any free analog output.
3. An internal supply air temperature sensor (SAT, default connection AI2 on the main circuit board) must be replaced
by a duct temperature sensor which can be acquired as an accessory. A duct temperature sensor must be installed in
the duct after water cooler. Connect the duct temperature sensor to analog input 2 (AI2) replacing the internal supply
air temperature sensor.
Note:
A duct temperature sensor can be connected to analog inputs 6–7 on the connection board for better
access and then configured as a supply air temperature sensor. However the internal supply air
temperature sensor must be disabled in the control panel first.
Configuration
1. Go to Service menu
2. Enter password (default 1111)
3. Activate the actuator. Go to Components menu, select Cooler menu and select type as Water. Choose actuator
voltage type. Do advanced settings if necessary.
4. Configure control signal to the actuator. Go to Service menu. Select Output menu. In next menu select ANALOG
tab. Select the analog output to which the control wire of the actuator is connected. Example if it is connected to AO3
on the connection board, then select ANALOG OUTPUT 3 and select Y3 Cooling from the output type list.
5. Since a duct temperature sensor replaces internal supply air temperature sensor, it doesn’t need to be re-configured.
Note:
A duct temperature sensor can be connected to analog inputs 6–7 on the connection board for better
access and then configured as a supply air temperature sensor. However the internal supply air
temperature sensor must be disabled in the control panel first.
6. Duct cooler and its components are now configured.
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