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FEATURES SPECIFICATION DATA The CTR21, CTR22, CTR23, and CTR24 family of wall modules include: • Models with setpoint adjustment. • Models with occupied/unoccupied override (bypass) with LED. • Models with 3-position (auto/0/1) or 5-position (auto/0/1/2/3 speed) fan switch. • LONWORKS® bus jack on all models except the CTR21 and CTR21-A models. • Operating range 45°F to 99°F (7°C to 37°C). • Models (CTR22 and CTR23) with user-selectable temperature setpoint dials in Fahrenheit, Celsius, and Relative (- to +). SPECIFICATIONS GENERAL The CTR21, CTR22, CTR23, and CTR24 are a family of direct wired wall modules for use with: — Honeywell Excel 800, 600, 100, and 80 (all fully programmable) controllers — Excel 10 W7750, W7751a, W7752, and W7753 controllers — W7761 Controller — Spyder Unitary Controllers: PUL, PVL — ComfortPoint LON Controllers: CP-UL, CP-VL All models have a space temperature sensor. Some models have a temperature dial, setpoint adjustment, LONWORKS® bus jack, override (bypass) with LED, and fan switch. The figure above is the CTR23 model. Models: See Table 1 on page 2. Construction: Two-piece construction, cover and internally wired subbase. Field wiring 16 to 22 AWG (1.31-0.33 sq. mm) connects to a terminal block in the subbase. Mounting Options: All modules can be mounted on a standard two by four inch junction box or on a 60 mm diameter junction box. Dimensions (H/W/D): See Fig. 2 on page 3. Environmental Ratings: • Operating Temperature: 45°F to 99°F (7°C to 37°C). • Shipping Temperature: -40°F to 150°F (-40°C to 65.5°C). • Relative Humidity: 5% to 95% non condensing Humidity Output Accuracy: ±5% from 20–80% RH Temperature Setpoint Ranges (CTR22 and CTR23 only): The setpoint range is determined by the temperature knob installed: • 55°F to 85°F • 13°C to 29°C a The CTR21, CTR22, CTR23, and CTR24 wall modules are not compatible with W7751A,C,E,G Controllers. 50040122