Reznor Variable Error Code
Name Variable Description Default Setpoint Range D19, D21 DA_SpcHtg_SP DA_NAHtg_
Source: sscbl-400__rez-opt-d19-d21-d22-d23-2811-22-29-1042481-0-english-iom.pdf
Stop searching through PDFs. Our AI assistant on WhatsApp is trained on official Reznor documentation and can diagnose this fault code and guide you through the repair in minutes.
5-day free trial — no credit card required.
Other Reznor Error Codes
Control Option Code (D19 with TStat, D19 with CL78, D21, D21 with CL78, D22 or D
is 120VAC, integrity of wiring connections, and fan. Do the amber lights illumin
sequence: Steady Off No control Power Power Applied, Control OK
NOTES:- Power On light is permanently illuminated when 12oV / 60 Hz AC external
Economizer%Min,GF1A BMS Source,GF10 A CFM or GF11 Economizer CFMMin) UnoccVnt_En
)) 20 % 0 100 Aux_2_SP: Aux 2 Damper Position SP (damper position setpoint 2 (ap
A)) 一 一 Bldg PressureCurrent building static pressure iwc -0.5 0.5 E.e.2 (displa
Building Pressure Control) Dmpr Signal:Scaled Percentage output signal 0 100 Dam
Min_CFM_Sp:Minimum CFM Damper SP (sets unit minimum CFM) 500 CFM 0 32000 control
OA CFM Control Dmpr Signal:ScaledPercentage output signal % 0 100 E.e.10 (displa
/NFPA No.70 or Canadian Codes. 3.Never rest anything, especially ladders against