Weil-McLain ULTRA Ultra-105 User Manual

50
Part number 550-100-029/0810
GAS-FIRED WATER BOILER SERIES 1 & 2 — Control supplement & Service guide
Parameter reference table
Para. Name Range
Boiler display
DescriptionDisplay position:
1st 2nd 3rd 4th
1
T3set
68 to 142
104 to 150
1 Setting
s 4ISTHE$(7TEMPERATUREDETECTEDBYANIMMERSIONSENSOR
s DO NOT CHANGETHISPARAMETERFROMFACTORYSETTINGOF&"OILEROUTLET
WATERTEMPERATURESETPOINTIN$(7MODEISDETERMINEDBYADDINGPARAMETER
TOPARAMETER
s )FAPPLIEDFORINSTANTANEOUS$(7OPERATIONNOTRECOMMENDEDSET
PARAMETERFORTHECORRECTCONlGURATION
2
DHW System
0
2
--- Blank --- --- Blank ---
Value
s 0ARAMETERDETERMINESWHETHER$(7HEATINGISACTIVATED
s The boiler will not operate in DHW mode if parameter 2 is set to “0”.
7EIL-C,AINDOESNOTRECOMMENDSETTINGTHISPARAMETER6!,5%
TOEITHERhvORhvCONTINUOUS$(7PUMP4HISCOULDRESULTINA
HAZARDOUSCONDITIONITWOULDCAUSECONSTANTCIRCULATIONBETWEEN
THEBOILERANDTHE$(7HEATER
1
2
3
3
CH System
0
3
--- Blank --- --- Blank ---
Value
s 0ARAMETERDETERMINESWHETHERCENTRALHEATINGISACTIVATED
s 4HEBOILERWILLNOTOPERATEIN#(MODEIFPARAMETERISSETTOhv
s 3ELECThvTOCYCLETHEBOILERCIRCULATORONCENTRALHEATINGCALLSFORHEAT
7EIL-C,AINDOESNOTRECOMMENDSETTINGTHISPARAMETER6!,5%TO
EITHERhvORhvCONTINUOUSPUMP4HISCOULDRESULTINAHAZARD
OUSCONDITIONITCOULDSUPPLYWATERTOOTHERZONESWHENHEAT
DEMANDISFROMA$(7TANK
1
2
3
4
T1top
(see page 44)
70 to 192 4 Setting
s #ONSTANTBOILERTEMPERATUREOPERATIONOUTSIDESENSORNOTCONNECTED4
TOP
ISTHETARGETOUTLETWATERTEMPERATUREATALLTIMES
s /UTDOORRESETOUTDOORSENSORCONNECTED4
TOPISTHEMAXIMUMTARGET
TEMPERATUREFORALLOUTSIDETEMPERATURESOCCURSFOROUTDOORTEMPATOR
BELOWPARAMETER4
MINIMUM
5
T1foot
(see page 44)
60 to 140
Initial reading:
s 0ARAMETER4
FOOTAPPLIESONLYINOUTDOORRESETOPERATION
s 4
FOOTISTHEMINIMUMTARGETTEMPERATUREFORALLOUTSIDETEMPERATURES
OCCURSFOROUTDOORTEMPABOVEPARAMETER4
MAXIMUM
P.05
After 2 to 3 seconds:
"LANK
Setting
6
T4 minimum
(see page 44)
-4 to 50
Initial reading:
s 0ARAMETER4
MINIMUMAPPLIESONLYINOUTDOORRESETOPERATION
s 4
MINIMUMISTHEOUTSIDETEMPERATUREATWHICHTHETARGETOUTLETWATER
TEMPERATUREISATMAXIMUM
P.06
After 2 to 3 seconds:
"LANK "LANK Setting
See Figure 25, page 42 for procedure to access Parameter settings.

Weil-McLain ULTRA Ultra-105 Specifications

General

Model	Ultra-105
Category	Boiler
Efficiency	95%
Input BTU/h	105, 000
Boiler Type	Condensing
Heat Exchanger Material	Stainless Steel
Fuel Type	Natural Gas
Vent Type	Direct Vent
Dimensions	17.5" W
Vent Diameter	2 inches