Contents - Table Of Contents
- Table Of Contents
- IntRoDUCtIon
- Equipment and components under pressure
- Maintenance safety considerations
- MovIng anD sItIng the UnIt
- Duct connection
- Electrical protection of the fan motors
- DIMensIons, CleaRanCes
- RQS 080-160, units with and without hydronic module
- RQSY 039-045, units with and without hydronic module, without filter frame
- RQSY 039-045, option 23B, units with and without hydronic module, with filter frame
- RQSY 050-078, units with and without hydronic module, without filter frame
- RQSY 050-078 option 23B, units with and without hydronic module, with filter frame
- RQSY 080-120 units with and without hydronic module
- RQSY 140-160 units with and without hydronic module
- QBS/RQSY 039-080 units with desuperheater
- phYsICal Data, 30RQs UnIts
- phYsICal Data, 30RQsY UnIts
- eleCtRICal Data, 30RQs anD 30RQsY UnIts
- Compressor usage and electrical data for standard units
- applICatIon Data
- Water heat exchanger water flow rate
- Recommended wire sections
- WateR ConneCtIons
- Hydronic connections
- noMInal sYsteM WateR floW ContRol
- Units with hydronic module and fixed-speed pump
- Units with hydronic module and variable-speed pump - temperature difference control
- Plate heat exchanger pressure drop (including internal piping) - units without hydronic module
- Available external static pressure - units with hydronic module (fixed-speed or variable-speed pump, 50 Hz)
- staRt-Up
- Supplementary electric resistance heaters
- MajoR sYsteM CoMponents
- Water evaporator/condenser
- optIons
- speCIfIC DetaIls foR UnIts WIth a fan WIth avaIlaBle statIC pRessURe (30RQsY)
- Installation and operation of the heat reclaim with desuperheater option
- Installation
- stanDaRD MaIntenanCe
- Level 2 maintenance
- Tightening torques for the main electrical connections
- Refrigerant volume
- staRt-Up CheCklIst foR 30RQs/30RQsY heat pUMps (Use foR joB fIle)
| 
29Typical hydronic circuit diagram with hydronic modulelegendComponents of the unit and hydronic module1 Victaulic screen filter2 Expansion tank (option)3 Safety valve4 Available pressure pumpNote: x 1 for a single pump, x 2 for a dual pump5 Air purge6 Water drain valveNote: A second valve is located on the heat exchanger leaving piping7 Pressure sensorNote: Gives pump suction pressure information (see installation manual)8 Temperature probeNote: Gives heat exchanger leaving temperature information (see installationmanual)9 Temperature probeNote: Gives heat exchanger entering temperature information (see installationmanual)10 Pressure sensorNote: Gives unit leaving pressure information (see installation manual)11 Check valveNote: x 2 for a dual pump, not provided for a single pump12 Plate heat exchanger13 Water heat exchanger frost protection heaterInstallation components14 Temperature probe well15 Air vent16 Flexible connection17 Shut-off valve18 Screen filter (obligatory for a unit without hydronic module)19 Pressure gauge20 Water flow control valveNote: Not necessary for a hydronic module with a variable-speed pump21 Charge valve22 Frost protection bypass valve (when shut-off valves [17] are closed duringwinter)--- Hydronic module (unit with hydronic module)Notes:• Units without hydronic module are equipped with a flow switch and twotemperature sensors (8 and 9).• The pressure sensors are installed at connections without Schraeder valves.Depressurise and drain the system before any intervention.Hydronic module - sizes 039-078Dual pump shownHydronic module - sizes 080-160Dual pump shown(option) |
