nvent Raychem RMM2 Installation Instructions Manual

nvent Raychem RMM2 Installation Instructions Manual Manual pdf 1 page image

RMM2Heat-Tracing Remote Monitoring Module for the nVent RAYCHEM NGC Control SystemInstallation InstructionsDESCRIPTIONThe nVent RAYCHEM remote monitoring module (catalog no.RMM2) is part of the RAYCHEM NGC Control System. TheRMM2 takes inputs from up to 8 RTDs that measure pipe, vessel,or ambient temperatures in a heat-tracing system. MultipleRMM2 units communicate with a RAYCHEM NGC controllerusing a single RS-485 bus (a shielded, twisted pair).Refer to the specific RAYCHEM NGC controller Installation andOperation manual for additional information. For technicalsupport call nVent at (800) 545-6258.MONITORING SYSTEM COMPONENTS AND ACCESSORIESRMM2 RMM2 module without enclosure (for use with user-supplied enclosures.)RMM2-4X Reinforced polyester Type 4X enclosure with RMM2,grounding hardware and four plugs. For Ordinary andDivision 2 hazardous locations.Additional Materials RequiredUser suppliedenclosureAgency-approved enclosure fitted with an aluminumDIN 35 rail and grounding hardware. For Ordinary andDivision 2 hazardous locations only.RTDs For measuring temperatures. Make RTD selectionbased on temperature range of heat-tracingapplication. Up to eight three-wire RTDs may be used.Extension wireMONI-RTD-WIRE Shielded cable with three 22 AWG wires;PVC insulation; for use as RTD lead wire. 1000 ft reel.MONI-RS485-WIREShielded cable with twisted pair of 22 AWG wires;PVC insulation; for use as RS-485 bus. 1000 ft reel.Conduit drainJB-DRAIN-PLUG-3/4INPN 278621 (recommended for Division 2 locations)TOOLS REQUIRED• 3 mm slotted screwdriver • Needle nose pliers• 3/8 hex key (for RMM2-4X only) • Wire stripper/cutterAPPROVALSType NMNonhazardous locationsLISTED80BJ ENERGY MANAGEMENTEQUIPMENT SUBASSEMBLY ANDGENERAL SIGNALINGEQUIPMENT SUBASSEMBLYHazardous locationsLISTED9Z63 TEMPERATUREINDICATING EQUIPMENTFOR USE IN HAZARDOUSLOCATIONSRMM2-4X (RMM2 with Type 4X Enclosure)Class I, Division 2, Groups A, B, C, DClass II, Division 2, Groups F, GKIT CONTENTSItem Qty DescriptionA 1 RMM2 moduleB 2 Spare fuses - 200 mA 250 VC 2 Jumpers (Use 2 jumpers for 115 V or 1 jumper for 230 V)D 1 Product label (for user supplied enclosures only)1 Enclosure - not shown (for RMM2-4X only)(RMM2-4X shown)WARNING:This component is an electrical device thatmust be installed correctly to ensure properoperation and to prevent shock or fire. Readthese important warnings and carefully followall of the installation instructions.• Component approvals and performance arebased on the use of nVent -specified partsonly. Do not use substitute parts.• Keep components dry before and duringinstallation.• NOTE: Leave these instructions with the enduser for reference and future use.A BCD