General Information
RTHD-SVX02H-EN 11
Table 1. Model Number
Name Code M/N Digit M/N Code Description
PCON 43 Power line connection type
TERM A Terminal block connection for incoming line(s)
DISC B Mech disconnect switch
CB D Circuit breaker
CBHI F High interrupt circuit breaker
GFCB H Ground fault circuit breaker
GFHI J Ground fault high interrupt circuit breaker
ENC 44 Enclosure type
NEMA A NEMA 1
WVUO 45 Under/over voltage protection
NIST X No under/over voltage protection
INST U Under/over voltage protection
OPIN 46 Unit operator interface
DVA A Dyna-View operator interface-Pueblo
DVD D Dyna-View/Spanish
DVG G Dyna-View/Trad.Chinese
DVH H Dyna-View/Simp.Chinese
DVJ J Dyna-View/Japanese
DVK K Dyna-View/Portugese(Brazil)
DVL L Dyna-View/Korean
DVM M Dyna-View/Thai
COMM 47 Remote Interfaces (digital comm)
NIST X No remote digital comm
TRM4 4 Tracer Comm 4 Interface
TRM5 5 Tracer Comm 5 LCI-C (LonTalk )
SETP 48 External Chilled Water & Current Limit Setpoint
NIST X None
INST 4 4-20 ma input
INSA 2 2-10 Vdc input
BSLD 49 External Base Loading
NIST X None
INST 4 4-20 ma input
INSA 2 2-10 Vdc input
ICEB 50 Icemaking
NIST X None
INST A Icemaking with relay
INSA B Icemaking without relay
STAT 51 Programmable Relays
NIST X None
INST R Programmable Relay
OATS 52 Chilled water reset -outdoor air temp
NIST X No Sensor (return water CHW reset standard)
INST T Chilled water reset - outdoor air temp
RPOT 53 Reg. Valve & RLA
NIST X None
WREG V Condenser reg. Valve out & % RLA out
HPC P Condenser Pressure (%HPC) & % RLA out
DELP D Chiller Delta P & %RLA out
RMTP 54 Refrigerant Monitor Input
NIST X None
INST A 100 ppm / 4-20 ma
INSA B 1000 ppm / 4-20 ma
INSB C 100 ppm / 2-10 Vdc
INSC D 1000 ppm / 2-10 Vdc
HWCT 55 Hot water Control
NIST X None
INST H with hot water control
IACC 56 Installation Accessories
NONE X NONE
NISO A Elastomeric lsolators
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