SAVE VTR 500 SERVICE AND ACCESSORIES INSTALLATIONV1

Accessories
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5.3.2 Internal water heater
A water heating battery can be installed inside the unit and connected to water system.
• WH — water heating battery
• FPT — frost protection sensor
• SAT — supply air temperature sensor
• S — actuator for valve
• 1 — Outdoor air
• 2 — Supply air
• 3 — Extract air
• 4 — Exhaust air
Component/product — Article number:
• Water coil SAVE VTR 500 — 141701
• RVAZ4 24A Actuator 0-10V (S) — 9862
• Transformer 24V — 202692
• 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 — 6572
Installation and connection
1. Remove plug and add the frost protection sensor. Tread seal the sensor.
2. Install water heater in the unit. Connect pipes, 2/3–way valve and actuator.
Important
Do NOT use 24V DC power output from the connection board for valve actuator.
3. Connect actuator (S) to any free analog output.
Fig. 11 Water heater connections
Configuration
1. Go to Service menu
2. Enter password (default 1111)
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