556 Options & accessories - outdoor VRV III-Q Heat Pump Replacement VRV VRV IV-Q Heat Pump Replacement VRV RQYQ 140P RXYQQ8-20 2/3-module systems Kits Multi-module connection kit (obligatory) Connects multiple modules into a single refrigerant system 2 modules: BHFQ22P1007 3 modules: BHFQ22P1517 Central drain pan kit - Installs onto the underside of the outdoor unit and collects drain water from all bottom plate outlets into a single outlet. In cold areas should be heated by a field-supplied heater to prevent drain water from freezing in the drain pan. KWC26B160 Bottom plate heater - To keep drain holes ice-free in extreme weather conditions (one per outdoor unit needed) 8-12: EKBPH012T7A 14-20: EKBPH020T7A Adapters External control adapter for outdoor unit - Allows to activate Low Noise Operation and three levels of demand control, limiting power consumption via external dry contacts. Connects to the F1/F2 communication line and requires power supply from an indoor unit*, BSVQ box, or VRV-WIII outdoor unit. DTA104A53/61/62 For installation into an indoor unit: exact adapter type depends on type of indoor unit. For 14-20 HP the demand PCB mouting plate is required (2). See Options & Accessories of indoor units KRC19-26 Mechanical cool/heat selector – allows to switch an entire Heat Pump system, or one BS-box of a Heat Recovery system between cooling, heating and fan only. Connects to the A-B-C terminals of the outdoor unit / BS-box. • (3) • (3) 1 kit per system BRP2A81 Cool/heat selector PCB (required to connect KRC19-26 to VRV IV outdoor) • 1 kit per system Others EKPCCAB4 VRV configurator • DTA109A51 DIII-net expander adapter (1) For installations with special requirements towards fire regulations, the insulation material can be replaced using kits EKHBFQ1 and EKHBFQ2. The kits contain insulation material that complies with EN13501-1:B-S3,dO and BS476-7 (class 1) (2) Requires mounting plate EKSB26B2* for 14~20HP (3) Requires installation box KJB111A (4) Only possible to install 1 adapter PCB Refnets & branch selector boxes Refnet Joints Capacity index Capacity index Capacity index Capacity index < 200 200 ≤ x < 290 290 ≤ x < 640 > 640 Refnets Imperial-size connections for heat recovery pump (2-pipe) For all R-410A VRV: KHRQ22M20T For all R-410A+R-32 VRV: KHRQ22M20TA KHRQ22M29T9 For all R-410A VRV: KHRQ22M64T For all R-32 VRV: KHRA22M65T KHRQ22M75T Imperial-size connections for heat recovery pump (2-pipe) (1) KHRQ23M20T KHRQ23M29T KHRQ23M64T KHRQ23M75T Options for Branch selector boxes (BS box) (only for connection with VRV heat recovery system) Closed pipe kit Joint kit Quiet kit Duct connection: To connect extraction of BSSV boxes in serial Drain pump kit (1) For metric size connections, contact your local sales responsible (2) not applicable for SV1A25A
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